19V4.74A Power Adapter Charger

 

 1. Good performance, high reliability, produced in accordance with the standards and procedures for applying for safety certification;

 2. All use original electronic components, and the circuit board has overvoltage, overcurrent and short circuit protection functions;

 3. Ultra-low no-load and standby energy consumption, in line with national energy-saving standards;

 4. Good anti-interference performance, built-in anti-electromagnetic interference filter;

 5. The primary and secondary insulation performance is good, and the high-frequency transformer adopts vacuum soaking;

 6. Full load high temperature burn-in, aging test;

 7. With short circuit, overload, overvoltage protection function, it can be automatically restored;

 8. All materials are materials;

 9. Extensive use of SMD, compact structure, small size and exquisite appearance;

 10. The design of high temperature resistant and flame retardant shell, and its ultrasonic welding method make it more reliable, and the design of pulse width modulation (PWM) switch technology ensures the stability of the adapter.
 

Product name	19V4.74A power adapter charger
Input voltage	100-240VAC 50/60Hz Max:90-264VAC 47/63Hz
Output voltage	19V
Output current	4.74A
rated power	90.6W
work efficiency	>80%
ripple	<100mV
working environment	20℃-45℃，humidity：30%-85%
storage environment	0℃-75℃，humidity：0%-95%
Pressure test	Input to output 3KVAC;input to ground 3KVAC
Insulation resistance	100 ohms
cooling method	natural cooling
dimension	140*60*34mm
DC Connector	2.5*0.7/3.5*1.35/4.0*1.7/5.5*2.5/USB
DC wire	1.2/1.5/1.8/2.0m
supply specification	-20℃ to 70℃
Functions	Short circuit protection, overload protection, over voltage protection, over temperature protection
Package	PE transparent tape, white box, color box, can be customized
Warranty	Three-year warranty, long-term cooperation and long-term warranty
certified	CCC/UL/FCC/CE/BSMI/RHOS/SAA/C-TICK/KC/PSE

 

 

 1.The standard voltage of an Apple laptop is 16.5V, and the current is 3.65A, which is a 60W power adapter.

 2.Most Dell laptops run on 19.5V voltage, the specific current depends on different models, usually 3.34A or 4.62A, and the power adapter is 65W or 90W respectively.

 3.Lenovo laptops usually use a voltage of 20V, the current varies according to different models, usually 3.25A or 4.5A, and the power adapter is 65W or 90W respectively.

 4.The standard voltage of Huawei notebook computers is 19V, and the current is between 2.1A and 4.74A. The power adapter depends on different models, usually 65W or 90W.

 5.HP laptops usually use a voltage of 19.5V, the current varies according to different models, usually between 2.31A and 4.62A, and the power adapters are 45W, 65W or 90W.
 

 

 1. LED lamps: LED table lamps, LED light strips;

 2. Security category: camera, security access control, network camera, DVR recording, NVR video recorder, security monitoring;

 3. Small appliances: electronic refrigerators, mini TVs, DC fans, air purifiers, smart vacuum cleaners, electric toothbrushes, air humidifiers, electric shavers, electric breast pumps, aquariums, flashlights, sharpeners, water purification machine, electric game console, electric dining table, electric toilet;

 4. Digital communication: signal amplifier, signal jammer, set-top box, digital photo frame, tablet computer, notebook computer, hard disk box, high-definition player, audio, router, VGA splitter, network cable extender, high-definition converter, projector, 3D printer, barcode printer;

 5. Beauty equipment: massager, massage chair, beauty instrument, ultrasonic scaler, light curing machine;

 6. Other categories: centrifuge, water pump, teaching machine, electric stapler, automatic pencil sharpener, point reader, time card machine, intelligent robot.
 

 

  Shenzhen Boerze Power Technology Co., Ltd. is an industrial enterprise specializing in the production and processing of switching power supplies, power adapters, chargers and other products. It has a high-quality team, including experienced, dedicated and innovative R&D, sales and management personnel. A complete and scientific management system.
 

  The company introduces advanced production process, screened imported electronic components, products adopt advanced technology principles, excellent conversion control circuit, with strong stability, high reliability, good functionality and other advantages, the company has advanced production equipment, such as: Fully automatic wave soldering, reflow soldering machine, AI plug-in machine, placement machine, switching power supply automatic test system, ROHS spectrum analyzer, EMC test system, environmental test chamber, high temperature aging room, data acquisition instrument, etc.
 

  The company's main business: switching power supply, power adapter, LED power supply, waterproof power supply, industrial power supply, high-power power supply, small power supply for wall decoration, mobile phone charger, battery charger, UPS power supply, etc.

Boerze has been committed to the power supply business for 12 years. With the mission of creating technological quality, safety, energy saving and fashion as the guide, and the concept of honesty, pragmatism and pragmatism, Bolzer has forged high-quality power supplies and served every customer well!
 

 

 1.All prices do not include tax and freight, including 13 point value-added tickets need to add 10 points on the original basis, free shipping for large quantities;
 

 2.For the first cooperation, a 30% deposit is required in advance, and the balance is paid before delivery, and long-term cooperation can be settled monthly;
 

 3.For products less than 1,000 yuan, one-time payment;

All products are guaranteed for 3 years and replaced within 3 years;
 

 4.All products of our company are available in stock, customized products need 7 working days to complete proofing, different specifications, sizes, wires, colors, shells, etc. can be customized;
 

 5.Delivery express domestic default SF Express, foreign default international four major express: Federal, UPS, DHL, TNT;
 

 6.The company's quality problems can support return and exchange, and man-made damage will not be returned.

 

 

 

 1.Are you a factory or trade?

 We are a factory, buy materials and assemble, test and produce by ourselves, we can also provide design new boards or open new moulds.
 

 2.Which clients have you worked with?

 We have been in this business for 12 years, and we have many new and old customers at home and abroad: iQual Tech, Skynet Iatly, Human soft, GST, IMAGE Access, ROOMLUX, ANDA System…
 

 3.How many people are there in your factory?

 Our factory is a small and medium-sized factory with dozens of people, about 3-50 people.
 

 4.What production equipment does your factory have?

 Circuit board processing equipment, such as drilling machines, copper foil removal machines, placement machines, etc.

 2. Soldering equipment, such as wave soldering machines, manual soldering equipment, etc.

 3. Winding machines for making transformers or inductors.

 4. Packaging machines, such as automatic packaging machines, heat shrink packaging machines, etc.

 5. Test equipment, such as insulation tester, high voltage tester, etc.

 6. Computer-controlled equipment, such as automated production lines, intelligent production control systems, etc.

 7. Noise test equipment for testing the noise level of the adapter.

 8. Temperature test equipment, used to test the temperature of the adapter.

 9. Optical test equipment for testing the optical performance of the adapter.
 

 5.Do you only manufacture certified products?

No,Although we have global product certifications, we also produce non-certified products to meet the needs of global customers.
 

 6. How long is your product warranty?

 Certified products have a 1-year warranty;

 certified products have a 3-year warranty
 

 7. What qualifications does your company have?

 We have been in the power adapter industry for 12 years, with global certification(CE FCC ROHS UL ETL GS SAA UKCA,PSE KCC… ) It is also  possible to produce products that are not certified
 

 8. how can I buy something from your company?

 Please feel free to contact me with the following contact information, 24 hours online:

 Phone: +86 13828825085(WhatsApp)

 Skype: cassiezhangy

 We chat: +86 13823547953

 Email: szsbrzdy0620@outlook.com

 QQ: 932404179

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